Cdc Flu Season 2024 2024. During the 2024 southern hemisphere flu season, most countries experienced similar levels of flu activity compared to trends observed in prior seasons (2017‒2019 and. However, cdc uses a mathematical model to estimate the number of influenza illnesses, medical visits, hospitalizations, and deaths that occur each season (5).

Most people should get a flu shot in september or october, before the flu starts circulating widely, the cdc advises. Using the highest weekly values observed from october 1, 2023,.